If you’re on a Ryzen 3000 series processor, try updating your chipset driver and bios.
https://community.amd.com/community/gaming/blog/2019/07/30/community-update-5-let-s-talk-clocks-voltages-and-destiny-2
Edit: Disregard. I see you already resolved the issue.

Hi there,
Thanks for your report. Are you currently trying to play on PC? Have you tried running a scan and repair in the Battle.net app? Are you currently using a Ryzen 3rd Gen CPU?
https://www.bungie.net/en/Help/Article/46501